Drill bit case



FIG. 1 is a perspective view of a drill bit case in an open position, showing my design;

FIG. 2 is a front view of the drill bit case of FIG. 1 in the open position;

FIG. 3 is a rear view of the drill bit case of FIG. 1 in the open position;

FIG. 4 is a right elevation of the drill bit case of FIG. 1 in the open position;

FIG. 5 is a left elevation of the drill bit case of FIG. 1 in the open position;

FIG. 6 is a top view of the drill bit case of FIG. 1 in the open position; and,

FIG. 7 is a bottom view of the drill bit case of FIG. 1 in the open position.

The broken lines are included for showing portions of the case and form no part of the claimed design. 

CLAIM I claim the ornamental design for a drill bit case, as shown and described. 